Universität zu Köln

Widder, Randolf A., Kuehnrich, Pia, Hild, Matthias, Rennings, Corinna, Szumniak, Alexander and Roessler, Gernot F. (2019). Intraocular Degradation of XEN45 Gel Stent 3 Years After its Implantation. J. Glaucoma, 28 (12). S. E171 - 3. PHILADELPHIA: LIPPINCOTT WILLIAMS & WILKINS. ISSN 1536-481X

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Abstract

Introduction: We report a case of XEN45 Gel Stent removal 3 years after its implantation. The stent had degraded with a closed lumen, so a new stent was implanted. Case Report: A 63-year-old woman was scheduled for XEN45 Gel Stent implantation. Three years after the primary surgery and 2 years after a surgical revision, second revision surgery was required. The conjunctiva was opened, and the implanted XEN Gel Stent was stripped of the adhesive scar tissues. No aqueous humor flow was seen through the stent, and therefore, the stent was removed. The intrascleral and intracameral parts had degraded. The surface of the stent was irregular and cobbled. A part of the lumen in the middle of the stent had closed. Discussion: We detected changes in the stent after its removal during the surgical revision with conjunctival opening, which is our standard approach for failed XEN Gel Stents. Most surgeons advise needling of the stent in cases of failure. However, in cases of needling, changes in the stent might not have been detected. Thus, the number of patients with similar changes as this report might be higher than the publications suggest. No unique characteristics distinguished this patient from those who had a functional XEN Gel Stent. The stent, in this case, might have been of inferior quality as an exception, or all stents might degrade over time. Therefore, gonioscopy should be performed carefully to detect any changes in the stent. In cases of suspected stent degradation, we recommend a revision surgery with conjunctival opening and removal of the stent in cases of degradation.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Widder, Randolf A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kuehnrich, Pia UNSPECIFIED UNSPECIFIED UNSPECIFIED Hild, Matthias UNSPECIFIED UNSPECIFIED UNSPECIFIED Rennings, Corinna UNSPECIFIED UNSPECIFIED UNSPECIFIED Szumniak, Alexander UNSPECIFIED UNSPECIFIED UNSPECIFIED Roessler, Gernot F. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-125889
DOI:	10.1097/IJG.0000000000001364
Journal or Publication Title:	J. Glaucoma
Volume:	28
Number:	12
Page Range:	S. E171 - 3
Date:	2019
Publisher:	LIPPINCOTT WILLIAMS & WILKINS
Place of Publication:	PHILADELPHIA
ISSN:	1536-481X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SUCCESS Multiple languages Ophthalmology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/12588